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The neuroscience of aging is the study of the changes in the nervous system that occur with aging. Aging is associated with many changes in the central nervous system, such as mild atrophy of the cortex, which is considered non-pathological.
Aging is characterized by a progressive loss of physiological integrity, leading to impaired function and increased vulnerability to death. The hallmarks of aging are the types of biochemical changes that occur in all organisms that experience biological aging and lead to a progressive loss of physiological integrity, impaired function and, eventually, death.
Ageing (or aging in American English) is the process of becoming older. The term refers mainly to humans , many other animals , and fungi, whereas for example, bacteria, perennial plants and some simple animals are potentially biologically immortal . [ 1 ]
What is normal aging? Most of us think of aging as a gradual, linear process. However there's growing r e search to suggest that aging is less continuous than previously thought.
The biochemical changes that come with aging. Additionally, the scientists found that the most noteworthy age-related molecule and microbe changes were linked to potential health concerns.
Age-related neuropathologies such as Alzheimer's disease, Parkinson's disease, diabetes, hypertension and arteriosclerosis make it difficult to distinguish the normal patterns of aging. [ 18 ] [ 19 ] One of the important differences between normal aging and pathological aging is the location of neurofibrillary tangles.
Biogerontology is the sub-field of gerontology concerned with the biological aging process, its evolutionary origins, and potential means to intervene in the process. [1] The term "biogerontology" was coined by S. Rattan , and came in regular use with the start of the journal Biogerontology in 2000.
Such an ageing process may include qualitative and quantitative changes and includes diminished or defective synthesis of collagen and elastin in the dermis. [citation needed] Extrinsic ageing of skin is a distinctive declination process caused by external factors, which include ultra-violet radiation, cigarette smoking, air pollution, among ...